All of the above. Halogens are extremely reactive. Their valency is -1 as they have 7 outer shell electrins and need 1 more to make it 8. They also react with metals to form salt. So the ans is (D)
The specific heat of water is higher than the specific heat of concrete.
When energy is converted from one form into another, heat is lost at every sept along the way.
a. heat.
Answer:
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Explanation:
Answer:
Oxygen, and from solid to liquid. This is because oxygen's melting point is at -218°C. Melting point refers to the temperature where heat causes particles to vibrate with sufficient energy to break the solid structure, so for oxygen this means it's being turned into a liquid.
